52tool.cn - robtex.com
52tool.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 127.0.0.1 | ||||||
| NS | ns1.exp.4cun.com ⚠️ Not in zone NS records | ||||||
| A | 60.190.243.160🇨🇳 CT-HangZhou-IDC60.190.243.0/24 Chinanet-HangZhou-IDC | ||||||
| NS | ns2.exp.4cun.com ⚠️ Not in zone NS records | ||||||
| A | 60.190.243.160🇨🇳 CT-HangZhou-IDC60.190.243.0/24 Chinanet-HangZhou-IDC | ||||||
| MX | mail.happyisp.com ⭐ | ||||||
| A | 5.161.49.68🇺🇸 HETZNER-CLOUD2-AS5.161.49.0/24 | ||||||
| PTR | mail.happyisp.com | ||||||
| A | 137.184.158.105🇺🇸 DIGITALOCEAN137.184.144.0/20 DigitalOcean | ||||||
| PTR | mail.happyisp.com | ||||||
| TXT | v=spf1 ip6:fd0d:d741:e183::/48 -all | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034546407 | ||||||
Same first word
52tool.cn |
DNS History
4 records (4 active, 0 former)
●NSns1.exp.4cun.com2026-03-16 → 2026-03-17 · 2 obs
● 2026-03-17 19:29:08
●NSns2.exp.4cun.com2026-03-16 → 2026-03-17 · 2 obs
● 2026-03-17 19:29:08
●MXmail.happyisp.com2026-03-16 → 2026-03-17 · 2 obs
● 2026-03-17 19:29:08
●A127.0.0.12026-03-16 → 2026-03-17 · 2 obs
● 2026-03-17 19:29:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 52tool.cn | ns1.exp.4cun.com, ns2.exp.4cun.com | - |
✅ Authoritative Response
Server: 60.190.243.160
NS records: ns1.exp.4cun.com, ns2.exp.4cun.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 52tool.cn (unsigned zone)
⏱️ Timing
Total: 2058ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 127.0.0.1 |
| MX | 1 | mail.happyisp.com (pri: 1) |
| TXT | 1 | v=spf1 ip6:fd0d:d741:e183::/48 -all |
Analysis
IP Addresses
52tool.cn points to a single IP address: 127.0.0.1.
Other host names such as mail.bawo.de, 233.140.static.quadranet.com, www.ny65.cn, n1n.de and 70.200.static.quadranet.com share IPs with 52tool.cn.
Name Servers
Two name servers ns1.exp.4cun.com and ns2.exp.4cun.com handle the delegation for 52tool.cn.
52tool.cn shares the same name server setup as other domains, for example zghk-club.net, chewu12123.com, whsllbqwlkj.cn, 51514.cn and libreriaanawimpr.com.
52tool.cn at least partially shares name servers with other domains, for example dotvibate.cn, 990329.com, websen.com.cn, lzwlkjfw.com and crcmba.com.
these name servers commonly pair with ns3.exp.4cun.com, ns4.exp.4cun.com, ns5.exp.4cun.com and ns6.exp.4cun.com.
Host names with a single IP:
ns1.exp.4cun.com points to 60.190.243.160.
ns2.exp.4cun.com points to 60.190.243.160.
Host names pointing to 60.190.243.160: ns1.exp.4cun.com and ns2.exp.4cun.com.
Mail Servers
The mail.happyisp.com mail server handles 52tool.cn.
52tool.cn shares the same mail server setup as other domains, including tumao.cn, cdn-tech.com.c.footprint.com, tuancheng.cn, www.xn--vnxr74a.com and 202538.cn.
mail.happyisp.com points to two IP numbers: 5.161.49.68 and 137.184.158.105.